1.Used in combination with the HEPA filter to prevent the early replacement of the HEPA filter due to dust accumulation, thus extending the service life of the HEPA filter.
2.High quality filter material, reasonable design, high dust tolerance, low resistance
3.The use of high quality fluffy filter material, filter material is a special mixture composed of non-woven fabric and synthetic fiber, special high fold design provides a larger dust capacity, more improve the utilization rate of the filter material. Reasonably set the number of filter crimps, increase the effective use of the filter area, and reduce the resistance.
4.Strong double - layer moisture-proof paper frame construction
5.Groair primary effect plate filter adopts moisture-proof cardboard frame, and the filter paper is bonded to all the connecting points within the frame. The structure is solid and reliable, which ensures that the filter will not be deformed or damaged under poor working environment. The internal auxiliary filter material support net, the overall structure is compact, light weight, easy to install and disassemble.
6.Groair primary effect plate filters are UL900 certified for their low resistance, high dust tolerance, easy installation, and easy disassembly. It is widely used in the primary filtration section of various industrial, commercial and civil building ventilation systems.
 

It is mainly used for pre-filtration in commercial and industrial ventilation and air conditioning systems
Sealant white latex

1. Operating Conditions
Continuous operating temperature: Max. 80°C Operating relative humidity: ≤100 (%RH)

2.  Box Casing
Material: Epoxy powder coated SPCC

3. Damper
Material: Epoxy powder coated SPCC

4.  Filter Efficiency (EN1822:2009)
G3.G4.M5

5. Faceguard
Material: Stainless steel (SUS 304) / epoxy powder coated SPCC / epoxy powder-coated aluminium.

6. Filter Brackets
Material: Galvanized steel

7. Optional Accessories  
Thermal insulator: PE 

8. Applications
Pharmaceutical, Laboratories, Healthcare, Hospital, General

Founded in the late 1970s, Shandong WISKING Steel Building Stock Co., Ltd (WISKIND stock code: 830906) focuses on R & D and manufacture of metal wall systems for construction metal houses. It is committed to providing customers with the most valuable building enclosures. A protection system as a whole solution. Through many years of unremitting efforts and persistent pursuit, has been the customer and the community unanimously approved, has been rated as national high-tech enterprises, provincial enterprise technology center, advanced private enterprises in Shandong Province, Shandong Province construction industry modernization production base, Shandong patent star Enterprises, Shandong Province Shou contract re-credit enterprises such as the honorary title, is ISO9001 & ISO14001 certified enterprises.
 

Shandong Wish WISKIND Clean Technology Co., Ltd. is a subsidiary of WISKIND to develop the clean industry market. Focusing on R & D and manufacturing of cleanroom enclosure system, relying on WISKIND's 40 years of industry R & D experience and resource integration advantages, it has become a professional Of the cleanroom enclosure system service providers, modular cleanroom advocates and practitioners and the largest domestic production capacity of the clever plate intelligent manufacturers.

WISKIND has always believed that to create value for customers, so that the customer works better, it is our responsibility forever. Depending on the quality of products such as life, integrity and innovation, and innovation, and the pursuit of customers, employees, the community of win-win situations, the opportunities and challenges in the continuous development, is toward a higher, faster and stronger goal.